You can check to see what information Facebook has on you by following the instructions in this news article. You can download it, view it and see if what they are retaining is okay with you. You might be surprised at the wealth of information that is kept on you.

Don't worry, they will either sink or swim. If they swim, you get to keep Facebook and perhaps they will look in the mirror at their wrong-doings and business practices - and improve. If they sink, then there will multiple competitors propping up to take it's place.

I doubt that sorry will save them... the entire business model is one of surveillance and manipulation.

If / when criminal probes begin, it will eventually devolve to where Facebook will effectively be shut down or collapse to a shadow of itself. Some of what is known and discussed is like 50k fines per count... do that 50 million times and you are in the trillions.

The thing is; this is the entire Facebook business model, not about a singular transaction of the data.